hello i had update my 3g iphone to 3.1.2 to 4.1 everything working good now iam stuck on network carrier cant get it with ultrosnow also did many thing. now cant downgrade to to any firmware my iphone is now like ipod with network carrier pls help.
Unless your baseband was somehow preserved then you're pretty much screwed until the unlock for 4.2.1 comes out in a few weeks.